PIIANEROGAMIA. 
587 
turgescenee by the direct action of dew. The deposit of dew, 
moreover, entirely, or almost entirely, prevents tlie loss of aqueous 
vapour by transpiration. 
Duchautre, P.— Sur la decouverte du Cymodocea aequorea sur les 
Cotes de Provence. Bull. Soc. Bot. vii. p. 888. 
■-Note sur deux Orchidees. Bull. Soc. Bot. ix. p. 30. These 
are Angraecum sesquipedale and Oncidium splendidum , A. Bicli. 
The latter species, previously unpublished, is here described. 
—-Sur le polymorphisms de la fleur chez quelques Orchidees. 
Ibid. p. 113. Written prior to the author’s receipt of Mr. 
Darwin’s paper on Catasetum , the dimorphism in which genus 
(also in Cycnoches) appears totally misapprehended. “Eneffet, 
celles-ci etant accidentelles, rares meme, rentrent simplement 
dans le categorie de ces jeux de la nature qui echappent a toute 
regie et se refusent a toute explication! ” The occurrence of two 
forms of perianth in Vanda Loivei is described : this he suggests 
may be a similar case of “ dissociation” to that offered by Oytisus 
Adami. The two forms of fruit of Ceratocapnos umbrosa are 
minutely described. This genus is reduced to Corydalis by Hooker 
and Bentham. 
-- Note sur un cas remarquable de gelivure. Ibid. p. 289. 
A case of Bopulus angulata , enclosing decayed central cones of 
wood, which it is surmised are due to the vitality of the alburnum 
having been destroyed while the bark retained the power of repro¬ 
ducing ligneous layers, thus prolonging the existence of the trees 
some 60 years. 
-Sur un cas de grossissement, sans Eecondation, des ovules du 
Cycas revoluta. Ibid. p. 531. The pollen of a Ceratozamia was placed 
upon the ovules: some of these enlarged to well developed fruits 
without containing any trace of an embryo. How far may this 
enlargement of the fruit be due to the influence of the foreign 
pollen P 
- Sur la Elorasion du Vanda Batemanni. Bapp. Journ. Soc. 
d’Hort. viii. p. 589. 
Durand, E.—Monographie Vites Boreali-Americanae.—Act. Bor¬ 
deaux, 1862, (Ext. with Introduction by M. Desmoulins, pp. 64.) 
Duval-Jouve, J. —Note sur un Catabrosa aquatica a epillets multi- 
flores et sur le genre Catabrosa. Bull. Soc. Bot. ix. p. 8. The 
Catabrosa occurred with from 3- to 7-flowered spikelets. Observa¬ 
tions are added on the distinctions usually cited between this 
genus and Glyceria which are based upon variable characters. 
-Note sur le Catabrosa aquatica a epillets uniflores. Ibid. p. 437. 
-■— Note sur le Synonymie du Boa palustris. Ibid. p. 453. 
>-Sur une Eorme name de VAira media. Ibid. p. 527. Eollowed 
by observations of M. Gray’s. 
Ebenhoch, Er.—Die Phanerogamen Pflanzen von Koronczo und 
dessen Umgebung. Presb. Verh. v. p. 45. 
